Answer:
A walkthrough for a sample titration calculation for all levels of chemistry. ... Now that gives us the moles of Fe2+, but it's asking for how many grams there are. ... The molar mass of iron is about 55.8, so we'll just put that.
অনুপস্থিত: 80%
Explanation:
It's b. calcium
because the outer electron structure in all of that element is similar, they have the same chemical and physical properties.<span />
Reactivity is the name your looking for I believe.
Explanation:
fractional distillation method is used to obtain petrol from petroleum...
hope it helps
